QB50 System Requirements Document

1.7 GeneralQB50-SYS-1.7.1.QB50-SYS-1.7.2.QB50-SYS-1.7.3.QB50-SYS-1.7.4.QB50-SYS-1.7.5.The CubeSat shall be designed to have an in-orbit lifetime of atleast 3 months.The CubeSat shall not use any materials that have the potential todegrade during the 2 years storage duration after assembly.Deployment switches shall be non-latching (electrically ormechanically).Remove Before Flight (RBF) and Apply Before Flight (ABF) items,including tags and/or labels, shall not protrude past thedimensional limits of the CubeSat extended volumes (as defined inFigure 2 and Figure 3 ) when fully inserted.All RBF items shall be identified by a bright red label of at leastfour square centimetres in area containing the words “REMOVEBEFORE FLIGHT” or “REMOVE BEFORE LAUNCH” and the name ofthe satellite printed in large white capital letters. (See Figure 4)REMOVE BEFORE LAUNCHQB50 – MYCUBESATFigure 4: Example of RBF labelQB50-SYS-1.7.6.The CubeSat provider shall transfer housekeeping and “quick look”sensor data to the Mission Control Centre (MCC) in near real timefollowing reception on the ground. The format of this data, andthe composition of “quick look” sensor data, is TBD.Mission Control Centre (MCC) InterfaceThe QB50 MCC will perform the following functions:1. Receive “quick look” science data from all of the CubeSat operation centres, from theirrespective CubeSat(s)2. Receive telemetry and house-keeping data from all of the CubeSat operation centres,from their respective CubeSat(s)Issue 3 15 5 February 2013